Finding the Fourth Proportional to 127,159.48, 175,511.96 and 73,475.68
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Solution
The fourth proportional to 127,159.48, 175,511.96 and 73,475.68 is: 101,414.86
Step by Step Solution
- Step 1: Write the proportion equation
127,159.48 : 175,511.96 = 73,475.68 : x - Step 2: Convert to fraction form
127,159.48/175,511.96 = 73,475.68/x - Step 3: Cross multiply
127,159.48x = 175,511.96 × 73,475.68 - Step 4: Simplify right side
127,159.48x = 12,895,860,609.13 - Step 5: Solve for x
x = 12,895,860,609.13/127,159.48 - Step 6: Final answer
x = 101,414.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.